/* css初始化 */
* {
    margin: 0;
    padding: 0;
  }
  
  
  /* 去掉li的小圆点 */
  li {
    list-style: none;
  }
  
  
  /* 去掉a的下划线 */
  a {
    text-decoration: none;
  }
  
  
  /* 搜索框去除边框 */
  input,
  button,
  select {
    border: 0;
    /* 设置背景颜色为透明 */
    background-color: transparent;
    /* 去掉外轮廓 */
    outline: none;
  }
  
  
  /* em和i标签字体样式 */
  em,
  i {
    font-style: normal;
  }
  
  
  /* 图片的空白间隙 */
  img {
    vertical-align: middle;
  }
  
  
  
  
  /* 清除浮动 */
  .clearfix:after {
    content: '';
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
  }
  
  
  /* 左浮动 */
  .fl {
    float: left;
  }
  
  
  /* 右浮动 */
  .fr {
    float: right;
  }
  .w{
      width: 1200px;
      margin: 0 auto;
  }
  .background{
      width: 100%;
      height: 44px;
      border-bottom: 1px solid #ccc;
  }

.nav li{
float: left;
margin-right: 35px;
}
.nav li a{
    display: block;
    font-size: 16px;
    color: #9b9b9b;
    width: 46px;
    height: 42px;
    line-height: 40px;
text-align: center;
}
.nav li a:hover{
    color: #000;
    border-bottom: 2px solid #3f997f;
}
.huan{
    float: left;
    margin-left: 12px;
    margin-top: 14px;
    margin-right: 48px;
}
.huan span{
    font-size: 16px;
    float: left;
}
.huan p{
    float: left;
    color: #878787;
    font-size: 12px;
    margin-top: 3px;
}
.search{
   float: left;
    margin-top: 30px;
}
.search input{
    float: left;
    width: 789px;
    height: 44px;
    border: 1px solid #ccc;
    border-right: none;
    padding-left: 5px;
    margin-left: 130px;

}
.search button{
    float: left;
    width: 142px;
    height: 46px;
    background-color: #02b28b;
    color: #fff;
}
.bj{
    width: 100%;
    height: 132px;
    background-color: #f3f5f4;
}
.nav2{
    margin-left: 130px;
}
.nav2 p{
    float: left;
    font-size: 12px;
    color: #ccc;
}
.nav2 li a{
    color: #02b28b;
    font-size: 12px;
    float: left;
    margin-right: 20px;
}
.nav3{
    width: 300px;
    height: 348px;
    margin-top: 15px;
}
.nav3 li{
    float: left;
    margin-top: 35px;
}
.nav3 h4{
    font-size: 14px;
    color: #000;
    font-weight: 400;
    margin-right: 10px;
}
.nav3 p{
    color: #878787;
    font-size: 12px;
}
.nav3 span{
 margin-left: 250px;
    color: #878787;
    font-size: 12px;
    margin-top: -20px;
}
.banner{
    margin-top: 50px;
}
.banner img{
    width: 839px;
    height: 346px;
}
.dingwei{
    height: 80px;
}
.dingwei .top{
    position: fixed;
    width: 36px;
    height: 46px;
    background: url(../images/backtop-new_0e4bcbc.png)no-repeat 0 0;
    right: 190px;
    bottom: 195px;
}
.dingwei .bottom{
    position: fixed;
    width: 28px;
    height: 28px;
    background: url(../images/feedback-new_98a086e.png)no-repeat 0 0;
    right: 197px;
    bottom: 155px;
}